Joannes Petrus Duffels
type: Person
alternate name: Duffels, Hans
birth date: 1939
family name: Duffels
given name: Joannes Petrus
main entity of page: https://data.bibliotheken.nl/.well-known/genid/11800c3ebb3d2dc8cede9bd62dda0ddf
label: Duffels, Joannes Petrus (1939-)